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Is Algeria Deleting Facebook Accounts?
belmolis writes "Algeria is reported to be shutting down ISPs and deleting Facebook accounts in an effort to prevent anti-government protests from escalating as they did in Egypt. Is it likely that they are deleting FB accounts? Unless Facebook is cooperating, this would either require hacking FB to obtain administrator privileges or cracking the password of each account they wish to delete."
It would also require that 'users' have delete priviliges regarding their own account.
HTTPS doesn't do much good if the country in question implements transparent proxies at the borders of their national network infrastructure that decrypt SSL traffic, inspect the contents, then re-encrypt it with an SSL certificate issued by one of the authorities registered for that country (which is certainly within the realm of possibility for most governments). Have you ever looked at (let alone modified) the list of SSL authorities that your web browser trusts by default?
When I was in Vietnam recently, which blocks Facebook, they operated by intercepting DNS. They'd either make lookups fail or make them resolve to their own proxy. Before we realized this my wife uploaded a bunch of photos which then mysteriously disappeared overnight. We got around this by me firing up squid on my linode and using this as our web proxy, by IP address. (Authenticated obviously.) This way names are resolved in the good ole USA, geolocation says we're there (so get stuff in English), etc - AND the local government doesn't get to stick its grimy paws in my DNS lookups. To stops us they'd have to identify me personally, and spend resources on a single individual - and given we were foreign tourists they probably couldn't care less. After all, we'd leave in a few weeks and then we'd still post and say all the same things regardless. If we were locals we'd probably get on a watch list... They DID spend extra time on my exit processing at the airport, where the official wandered off with my passport and was gone 5-10 min.